331415-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331415-99-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,4,1 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 331415-99:
(8*3)+(7*3)+(6*1)+(5*4)+(4*1)+(3*5)+(2*9)+(1*9)=117
117 % 10 = 7
So 331415-99-7 is a valid CAS Registry Number.